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Vulnerability IntelligenceMICROSOFT-CVE-2026-42904

MICROSOFT-CVE-2026-42904

CRITICAL9.6

Windows TCP/IP Elevation of Privilege Vulnerability

Published Jun 9, 2026

Modified 1 weeks ago

Details

Heap-based buffer overflow in Windows TCP/IP allows an unauthorized attacker to elevate privileges over an adjacent network.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42904

CVSS Analysis

CVSS v2.0

9.6

Upstream

Ecosystems

Timeline

PublishedJun 9, 2026

ModifiedJun 9, 2026

MICROSOFT-CVE-2026-42904 | Mondoo Vulnerability Intelligence